#ifndef FIO_FILE_H
#define FIO_FILE_H
+#include <string.h>
#include "compiler/compiler.h"
#include "io_ddir.h"
#include "flist.h"
+#include "lib/zipf.h"
+#include "lib/axmap.h"
+#include "lib/lfsr.h"
/*
* The type of object we are working on
FIO_FSERVICE_SEQ = 3,
};
+/*
+ * No pre-allocation when laying down files, or call posix_fallocate(), or
+ * call fallocate() with FALLOC_FL_KEEP_SIZE set.
+ */
+enum fio_fallocate_mode {
+ FIO_FALLOCATE_NONE = 1,
+ FIO_FALLOCATE_POSIX = 2,
+ FIO_FALLOCATE_KEEP_SIZE = 3,
+};
+
/*
* Each thread_data structure has a number of files associated with it,
* this structure holds state information for a single file.
void *file_data;
int fd;
-#ifdef __CYGWIN__
+#ifdef WIN32
HANDLE hFile;
HANDLE ioCP;
#endif
*/
char *file_name;
unsigned int major, minor;
+ int fileno;
void *mmap_ptr;
size_t mmap_sz;
/*
* block map for random io
*/
- unsigned int *file_map;
- unsigned int num_maps;
- unsigned int last_free_lookup;
+ struct axmap *io_axmap;
+
+ struct fio_lfsr lfsr;
+
+ /*
+ * Used for zipf random distribution
+ */
+ struct zipf_state zipf;
int references;
enum fio_file_flags flags;
struct thread_data;
extern void close_files(struct thread_data *);
extern void close_and_free_files(struct thread_data *);
+extern unsigned long long get_start_offset(struct thread_data *);
extern int __must_check setup_files(struct thread_data *);
extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
extern int __must_check generic_open_file(struct thread_data *, struct fio_file *);
extern int __must_check generic_close_file(struct thread_data *, struct fio_file *);
extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *);
+extern int __must_check file_lookup_open(struct fio_file *f, int flags);
extern int __must_check pre_read_files(struct thread_data *);
extern int add_file(struct thread_data *, const char *);
extern int add_file_exclusive(struct thread_data *, const char *);
static inline void fio_file_reset(struct fio_file *f)
{
- f->last_free_lookup = 0;
f->last_pos = f->file_offset;
f->last_start = -1ULL;
f->file_pos = -1ULL;
- if (f->file_map)
- memset(f->file_map, 0, f->num_maps * sizeof(int));
+ if (f->io_axmap)
+ axmap_reset(f->io_axmap);
}
#endif